<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h3>get请求</h3>
<form action="/httpDemo" method="get">
    用户名：<input type="text" name="jjj"> <br>
    <input type="submit">
</form>
<h3>post</h3>
<form action="/httpDemo" method="post">
    用户名：<input type="text" name="jjj"> <br>
    <input type="submit">
</form>

</body>
</html>